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Re: [PATCH] USB: fix interrupt disabling for HCDs with shared interrupt handlers

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From: Alan Stern <stern@...>
To: Greg KH <gregkh@...>
Cc: Stefan Becker <Stefan.Becker@...>, <linux-usb@...>, ext David Brownell <david-b@...>, <linux-kernel@...>, Linus Torvalds <torvalds@...>, ext Leonardo Chiquitto <leonardo.lists@...>
Subject: Re: [PATCH] USB: fix interrupt disabling for HCDs with shared interrupt handlers
Date: Tuesday, July 1, 2008 - 2:59 pm

On Tue, 1 Jul 2008, Greg KH wrote:


It could go back a lot farther than that.  I don't think our interrupt 
setup has been changed significantly for a long time, with one 
exception: We added the IRQF_DISABLED flag fairly recently.  But of 
course, we now know that it doesn't do what we expected.

It's surprising that more people haven't experienced this problem and 
reported it.


Acked-by: Alan Stern <stern@rowland.harvard.edu>

There still are a few places where spaces were used instead of tabs for 
indenting.  Aside from that it looks fine.

Alan Stern

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[REGRESSION] 2.6.24/25: random lockups when accessing extern..., Stefan Becker, (Sun Jun 22, 12:55 pm)
Re: [REGRESSION] 2.6.24/25: random lockups when accessing ex..., Rene Herman, (Sun Jun 22, 1:42 pm)
Re: [REGRESSION] 2.6.24/25: random lockups when accessing ex..., Alan Stern, (Sun Jun 22, 3:31 pm)
Re: [REGRESSION] 2.6.24/25: random lockups when accessing ex..., Stefan Becker, (Mon Jun 23, 11:52 am)
Re: [REGRESSION] 2.6.24/25: random lockups when accessing ex..., Alan Stern, (Mon Jun 23, 2:10 pm)
Re: [REGRESSION] 2.6.24/25: random lockups when accessing ex..., Stefan Becker, (Tue Jun 24, 2:41 pm)
Re: [REGRESSION] 2.6.24/25: random lockups when accessing ex..., Alan Stern, (Tue Jun 24, 5:15 pm)
Re: [REGRESSION] 2.6.24/25: random lockups when accessing ex..., Stefan Becker, (Wed Jun 25, 11:52 am)
Re: [REGRESSION] 2.6.24/25: random lockups when accessing ex..., Alan Stern, (Wed Jun 25, 2:38 pm)
Re: [REGRESSION] 2.6.24/25: random lockups when accessing ex..., Stefan Becker, (Thu Jun 26, 2:31 am)
Re: [REGRESSION] 2.6.24/25: random lockups when accessing ex..., Alan Stern, (Thu Jun 26, 10:25 am)
Re: [REGRESSION] 2.6.24/25: random lockups when accessing ex..., Stefan Becker, (Thu Jun 26, 6:07 pm)
Re: [REGRESSION] 2.6.24/25: random lockups when accessing ex..., Alan Stern, (Fri Jun 27, 12:10 pm)
Re: [REGRESSION] 2.6.24/25: random lockups when accessing ex..., Stefan Becker, (Sat Jun 28, 11:39 am)
Re: [REGRESSION] 2.6.24/25: random lockups when accessing ex..., Alan Stern, (Sat Jun 28, 12:53 pm)
BUG in 2.6.26-rc8 interrupt handling, Becker Stefan (Nokia-D/Salo)..., (Sat Jun 28, 3:34 pm)
Re: BUG in 2.6.26-rc8 interrupt handling, David Brownell, (Sat Jun 28, 3:51 pm)
PATCH: 2.6.26-rc8: Fix IRQF_DISABLED for shared interrupts, Stefan Becker, (Sun Jun 29, 10:57 am)
Re: PATCH: 2.6.26-rc8: Fix IRQF_DISABLED for shared interrupts, David Brownell, (Sun Jun 29, 11:09 pm)
Re: PATCH: 2.6.26-rc8: Fix IRQF_DISABLED for shared interrupts, Stefan Becker, (Mon Jun 30, 5:34 am)
Re: PATCH: 2.6.26-rc8: Fix IRQF_DISABLED for shared interrupts, David Brownell, (Mon Jun 30, 7:15 am)
Re: PATCH: 2.6.26-rc8: Fix IRQF_DISABLED for shared interrupts, David Brownell, (Mon Jun 30, 3:57 pm)
Re: PATCH: 2.6.26-rc8: Fix IRQF_DISABLED for shared interrupts, Alan Stern, (Mon Jun 30, 10:37 am)
[PATCH] USB: fix interrupt disabling for HCDs with shared in..., Stefan Becker, (Mon Jun 30, 2:53 pm)
Re: [PATCH] USB: fix interrupt disabling for HCDs with share..., Alan Stern, (Mon Jun 30, 3:35 pm)
Re: [PATCH] USB: fix interrupt disabling for HCDs with share..., David Brownell, (Mon Jun 30, 4:31 pm)
[PATCH] USB: fix interrupt disabling for HCDs with shared in..., Stefan Becker, (Mon Jun 30, 5:26 pm)
Re: [PATCH] USB: fix interrupt disabling for HCDs with share..., Alan Stern, (Tue Jul 1, 10:11 am)
Re: [PATCH] USB: fix interrupt disabling for HCDs with share..., David Brownell, (Tue Jul 1, 12:22 pm)
[PATCH] USB: fix interrupt disabling for HCDs with shared in..., Stefan Becker, (Tue Jul 1, 12:19 pm)
Re: [PATCH] USB: fix interrupt disabling for HCDs with share..., Greg KH, (Tue Jul 1, 2:25 pm)
Re: [PATCH] USB: fix interrupt disabling for HCDs with share..., Stefan Becker, (Tue Jul 1, 3:15 pm)
Re: [PATCH] USB: fix interrupt disabling for HCDs with share..., Greg KH, (Tue Jul 1, 3:51 pm)
Re: [PATCH] USB: fix interrupt disabling for HCDs with share..., Alan Stern, (Tue Jul 1, 2:59 pm)
Re: [PATCH] USB: fix interrupt disabling for HCDs with share..., David Brownell, (Tue Jul 1, 3:21 pm)
Re: [PATCH] USB: fix interrupt disabling for HCDs with share..., Greg KH, (Tue Jul 1, 3:13 pm)
Re: [PATCH] USB: fix interrupt disabling for HCDs with share..., Leonardo Chiquitto, (Tue Jul 1, 10:19 am)
Re: [PATCH] USB: fix interrupt disabling for HCDs with share..., Alan Stern, (Mon Jun 30, 5:29 pm)
Re: [PATCH] USB: fix interrupt disabling for HCDs with share..., David Brownell, (Mon Jun 30, 5:48 pm)
Re: PATCH: 2.6.26-rc8: Fix IRQF_DISABLED for shared interrupts, Stefan Becker, (Mon Jun 30, 1:22 am)
Re: PATCH: 2.6.26-rc8: Fix IRQF_DISABLED for shared interrupts, Henrique de Moraes Holschuh..., (Mon Jun 30, 10:28 am)
Re: PATCH: 2.6.26-rc8: Fix IRQF_DISABLED for shared interrupts, Alan Cox, (Mon Jun 30, 10:26 am)
Re: [REGRESSION] 2.6.24/25: random lockups when accessing ex..., Stefan Becker, (Sat Jun 28, 10:36 am)
Re: [REGRESSION] 2.6.24/25: random lockups when accessing ex..., David Brownell, (Fri Jun 27, 12:07 pm)
Re: [REGRESSION] 2.6.24/25: random lockups when accessing ex..., Stefan Becker, (Sat Jun 28, 10:31 am)